Synecdoche : A figure of speech in which a part is used to represent the whole, the whole for a part, the specific for the general, the general for the specific, or the material for the thing made from it.
For Example : The sputtering economy could make the difference if you're trying to get a deal on a new set of wheels.
For Example : The sputtering economy could make the difference if you're trying to get a deal on a new set of wheels.